US actor Robert Downey Jr talks to British actress Rebecca Hall, right, as his wife Susan Downey looks on, as they arrive for the UK premiere of Iron Man 3, at a central London cinema, Thursday April 18, 2013. (AP/Joel Ryan)

Rhys, 5 from Egham Surrey, dressed as mini-Iron Man meets his bigger counterpart on the red carpet ahead of the UK premiere of Iron Man 3, at a central London cinema, Thursday, April 18, 2013. (AP/Joel Ryan)